I did a swap from a set ported 906 heads with 2.14 and 1.81 valves to a set of CNC ported Eddy RPMs and gained 2/10 and 4 MPH I beleive the stock out of the box B1-BS are better than the stock Eddy RPM as far as flow, my stock OOTB Eddy RPMs outflowed the ported big valve 906 heads


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)